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Ferrite Cores & Accessories

Ferrite Cores are in stock with same-day shipping at Mouser from industry leading manufacturers. Mouser is an authorized distributor for many ferrite core manufacturers including Fair-Rite, Proterial, TDK, & more.
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Please view our selection of ferrite cores below.

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Results: 3,245

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Part #

Ferrite Cores & Accessories P 36X22 N48 250 +2% -2% Sold as set

B65611T0250G048
TDK
1: £11.30
160In Stock

Mfr. Part No.
B65611T0250G048

Mouser Part No
871-B65611T0250G048

TDK

Ferrite Cores & Accessories P 36X22 N48 250 +2% -2% Sold as set

Learn More

Datasheet

160In Stock

£11.30

£7.68

£6.39

£5.65

Min.: 1
Mult.: 1

P36/22

Ferrite Cores

Gapped

P Core

36 x 22

250 nH

2 %

N48

Bulk

Ferrite Cores & Accessories P 36X22 N48 1000 + 3%- 3% Sold as set

B65611T1000A048
TDK
1: £11.30
134In Stock

Mfr. Part No.
B65611T1000A048

Mouser Part No
871-B65611T1000A048

TDK

Ferrite Cores & Accessories P 36X22 N48 1000 + 3%- 3% Sold as set

Learn More

Datasheet

134In Stock

£11.30

£7.68

£6.39

£5.65

Min.: 1
Mult.: 1

P36/22

Ferrite Cores

Gapped

P Core

36 x 22

1 uH

3 %

N48

Bulk

Ferrite Cores & Accessories P 36X22 N30 15200 +30%-20% Sold as set

B65611W0000R030
TDK
1: £7.78
125In Stock
200Expected 23/11/2026

Mfr. Part No.
B65611W0000R030

Mouser Part No
871-B65611W0000R030

TDK

Ferrite Cores & Accessories P 36X22 N30 15200 +30%-20% Sold as set

Learn More

Datasheet

125In Stock

200Expected 23/11/2026

£7.78

£5.52

£4.58

£4.10

View

Min.: 1
Mult.: 1

P36/22

Ferrite Cores

Ungapped

P Core

36 x 22

15.2 uH

- 20 %, + 30 %

N30

Bulk

Ferrite Cores & Accessories COIL FORMER VALOX 420 SEO

B65612B0000T001
TDK
1: £0.908
254In Stock
10,400On Order

Mfr. Part No.
B65612B0000T001

Mouser Part No
871-B65612B0000T001

TDK

Ferrite Cores & Accessories COIL FORMER VALOX 420 SEO

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Datasheet

254In Stock

10,400On Order

£0.908

£0.709

£0.682

£0.662

View

Min.: 1
Mult.: 1

P36/22

Hardware & Accessories

Ungapped

P Core

P 36 x 22

Coil Former without Solder Pins

GFR Polyterephthalate

Bulk

Ferrite Cores & Accessories P 47X28 N48 9500 +30%-20% Sold as set

B65631J0000R048
TDK
1: £16.50
16In Stock
80Expected 28/08/2026

Mfr. Part No.
B65631J0000R048

Mouser Part No
871-B65631J0000R048

TDK

Ferrite Cores & Accessories P 47X28 N48 9500 +30%-20% Sold as set

Learn More

Datasheet

16In Stock

80Expected 28/08/2026

£16.50

£11.08

£8.71

£8.55

Min.: 1
Mult.: 1

PM47/28

Ferrite Cores

Ungapped

P Core

47 x 28

9.5 uH

- 20 %, + 30 %

N48

SMD/SMT

Bulk

Ferrite Cores & Accessories P 18X11 N48 250 +3%- 3% , 1 piece = 2 fe Sold as set

B65651D0250A048
TDK
1: £4.80
1In Stock
4,000On Order

Mfr. Part No.
B65651D0250A048

Mouser Part No
871-B65651D0250A048

TDK

Ferrite Cores & Accessories P 18X11 N48 250 +3%- 3% , 1 piece = 2 fe Sold as set

Learn More

Datasheet

1In Stock

4,000On Order

£4.80

£3.29

£2.71

£2.42

View

Min.: 1
Mult.: 1

P18/11

Ferrite Cores

Gapped

P Core

P 18 x 11

250 nH

3 %

N48

Bulk

Ferrite Cores & Accessories P 18X11 N48 250 +3%- 3% Sold as set

B65651T0250A048
TDK
1: £5.55
347In Stock
1,500Expected 30/03/2027

Mfr. Part No.
B65651T0250A048

Mouser Part No
871-B65651T0250A048

TDK

Ferrite Cores & Accessories P 18X11 N48 250 +3%- 3% Sold as set

Learn More

Datasheet

347In Stock

1,500Expected 30/03/2027

£5.55

£3.84

£3.08

£3.03

View

Min.: 1
Mult.: 1

P18/11

Ferrite Cores

Gapped

P Core

P 18 x 11

250 nH

3 %

N48

Bulk

Ferrite Cores & Accessories COIL FORMER VALOX 420 SEO

B65652B0000T001
TDK
1: £0.203
11,268In Stock
6,000Expected 25/01/2027

Mfr. Part No.
B65652B0000T001

Mouser Part No
871-B65652B0000T001

TDK

Ferrite Cores & Accessories COIL FORMER VALOX 420 SEO

Learn More

Datasheet

11,268In Stock

6,000Expected 25/01/2027

£0.203

£0.184

£0.178

£0.173

View

Min.: 1
Mult.: 1

P18/11

Hardware & Accessories

Ungapped

P Core

P 18 x 11

Coil Former without Solder Pins

GFR Polyterephthalate

Bulk

Ferrite Cores & Accessories COIL FORMER VALOX420 SEO

B65662B0000T001
TDK
1: £0.465
2,878In Stock
6,000Expected 21/12/2026

Mfr. Part No.
B65662B0000T001

Mouser Part No
871-B65662B0000T001

TDK

Ferrite Cores & Accessories COIL FORMER VALOX420 SEO

Learn More

Datasheet

2,878In Stock

6,000Expected 21/12/2026

£0.465

£0.368

£0.354

£0.344

View

Min.: 1
Mult.: 1

P22/13

Hardware & Accessories

Ungapped

P Core

P 22 x 13

Coil Former without Solder Pins

GFR Polyterephthalate

Bulk

Ferrite Cores & Accessories P 26X16 M33 100 +3%- 3% Sold as set

B65671T0100A033
TDK
1: £9.57
335In Stock

Mfr. Part No.
B65671T0100A033

Mouser Part No
871-B65671T0100A033

TDK

Ferrite Cores & Accessories P 26X16 M33 100 +3%- 3% Sold as set

Learn More

Datasheet

335In Stock

£9.57

£6.55

£5.46

£4.70

£4.65

Min.: 1
Mult.: 1

P26/16

Ferrite Cores

Gapped

P Core

P 26 x 16

100 nH

3 %

M33

Bulk

Ferrite Cores & Accessories COIL FORMER VALOX 420 SEO

B65672B0000T001
TDK
1: £0.54
2,299In Stock

Mfr. Part No.
B65672B0000T001

Mouser Part No
871-B65672B0000T001

TDK

Ferrite Cores & Accessories COIL FORMER VALOX 420 SEO

Learn More

Datasheet

2,299In Stock

£0.54

£0.494

£0.453

£0.402

View

Min.: 1
Mult.: 1

P26/16

Hardware & Accessories

Ungapped

P Core

P 26 x 16

Coil Former without Solder Pins

GFR Polyterephthalate

Bulk

Ferrite Cores & Accessories PM62X49 N27 9200 +30%-20% Sold as set

B65684A0000R027
TDK
1: £17.79
115In Stock

Mfr. Part No.
B65684A0000R027

Mouser Part No
871-B65684A0000R027

TDK

Ferrite Cores & Accessories PM62X49 N27 9200 +30%-20% Sold as set

Learn More

Datasheet

115In Stock

£17.79

£10.91

£9.96

£9.04

Min.: 1
Mult.: 1

PM62/49

Ferrite Cores

Ungapped

PM Core

PM 62 x 49

9.2 uH

- 20 %, + 30 %

N27

Bulk

Ferrite Cores & Accessories PM 62X49 N27 630 +3%- 3% Sold as set

B65684A0630A027
TDK
1: £22.42
23In Stock

Mfr. Part No.
B65684A0630A027

Mouser Part No
871-B65684A0630A027

TDK

Ferrite Cores & Accessories PM 62X49 N27 630 +3%- 3% Sold as set

Learn More

Datasheet

23In Stock

£22.42

£12.92

£12.87

Min.: 1
Mult.: 1

PM62/49

Ferrite Cores

Gapped

PM Core

PM 62 x 49

630 nH

3 %

N27

Bulk

Ferrite Cores & Accessories COIL FORMER VALOX 420 SEO

B65685B1016T001
TDK
1: £8.57
220In Stock
320Expected 25/08/2026

Mfr. Part No.
B65685B1016T001

Mouser Part No
871-B65685B1016T1

TDK

Ferrite Cores & Accessories COIL FORMER VALOX 420 SEO

Learn More

Datasheet

220In Stock

320Expected 25/08/2026

£8.57

£6.38

£6.18

£6.07

View

Min.: 1
Mult.: 1

PM62/49

Hardware & Accessories

Ungapped

PM Core

62 x 49

16 Pin

Tray

Ferrite Cores & Accessories PM74X59 N27 315 +3% -3% Sold as set

B65686A0315A027
TDK
1: £33.65
39In Stock

Mfr. Part No.
B65686A0315A027

Mouser Part No
871-B65686A315A27

TDK

Ferrite Cores & Accessories PM74X59 N27 315 +3% -3% Sold as set

Learn More

Datasheet

39In Stock

£33.65

£23.20

Min.: 1
Mult.: 1

PM74/59

Ferrite Cores

Gapped

PM Core

86 x 87

315 nH

3 %

N27

Bulk

Ferrite Cores & Accessories PM74X59 N27 10000 +30%-20% Sold as set

B65686A0000R027
TDK
1: £32.15
28In Stock
60Expected 19/01/2027

Mfr. Part No.
B65686A0000R027

Mouser Part No
871-B65686AR27

TDK

Ferrite Cores & Accessories PM74X59 N27 10000 +30%-20% Sold as set

Learn More

Datasheet

28In Stock

60Expected 19/01/2027

£32.15

£22.31

Min.: 1
Mult.: 1

PM74/59

Ferrite Cores

Ungapped

PM Core

62 x 49

10 uH

- 20 %, + 30 %

N27

Bulk

Ferrite Cores & Accessories COIL FORMER VALOX 420 SEO

B65687A1000T001
TDK
1: £4.91
140In Stock

Mfr. Part No.
B65687A1000T001

Mouser Part No
871-B65687A1000T001

TDK

Ferrite Cores & Accessories COIL FORMER VALOX 420 SEO

Learn More

Datasheet

140In Stock

£4.91

£4.43

£4.06

£3.71

View

Min.: 1
Mult.: 1

PM74/59

Hardware & Accessories

Ungapped

PM Core

PM 74 x 59

Coil Former without Solder Pins

GFR Polyterephthalate

Bulk

Ferrite Cores & Accessories COIL FORMER VALOX 420 SEO

B65687A1018T001
TDK
1: £8.81
43In Stock
220On Order

Mfr. Part No.
B65687A1018T001

Mouser Part No
871-B65687A1018T1

TDK

Ferrite Cores & Accessories COIL FORMER VALOX 420 SEO

Learn More

Datasheet

43In Stock

220On Order

£8.81

£7.79

£6.56

£6.50

Min.: 1
Mult.: 1

PM74/59

Hardware & Accessories

Ungapped

PM Core

86 x 87

18 Pin

Tray

Ferrite Cores & Accessories PM 87X70 N27 400 +3%-3% Sold as set

B65713A0400A027
TDK
1: £61.64
12In Stock

Mfr. Part No.
B65713A0400A027

Mouser Part No
871-B65713A0400A027

TDK

Ferrite Cores & Accessories PM 87X70 N27 400 +3%-3% Sold as set

Learn More

Datasheet

12In Stock

£61.64

£41.57

Min.: 1
Mult.: 1

PM87/70

Ferrite Cores

Gapped

PM Core

PM 87 x 70

400 nH

3 %

N27

Bulk

Ferrite Cores & Accessories COIL FORMER VALOX 420 SEO

B65714J1000T001
TDK
1: £9.66
248In Stock
144Expected 05/10/2026

Mfr. Part No.
B65714J1000T001

Mouser Part No
871-B65714J1000T001

TDK

Ferrite Cores & Accessories COIL FORMER VALOX 420 SEO

Learn More

Datasheet

248In Stock

144Expected 05/10/2026

£9.66

£8.06

£7.39

Min.: 1
Mult.: 1

PM87/70

Hardware & Accessories

Ungapped

PM Core

87 x 70

Coil Former without Solder Pins

Bulk

Ferrite Cores & Accessories COIL FORMER VALOX 420 SEO

B65714K1020T001
TDK
1: £8.83
76In Stock
64Expected 01/09/2026

Mfr. Part No.
B65714K1020T001

Mouser Part No
871-B65714K1020T001

TDK

Ferrite Cores & Accessories COIL FORMER VALOX 420 SEO

Learn More

Datasheet

76In Stock

64Expected 01/09/2026

£8.83

£7.79

£7.54

£7.15

£6.88

Min.: 1
Mult.: 1

PM87/70

Hardware & Accessories

Ungapped

PM Core

PM 87 x 70

Coil Former

20 Pin

GFR Polyterephthalate

Tray

Ferrite Cores & Accessories Coil former PM114/93 Ryton R-4

B65734B1000T1
TDK
1: £10.17
145In Stock
112Expected 18/01/2027

Mfr. Part No.
B65734B1000T1

Mouser Part No
871-B65734B1000T1

TDK

Ferrite Cores & Accessories Coil former PM114/93 Ryton R-4

Learn More

Datasheet

145In Stock

112Expected 18/01/2027

£10.17

£7.97

£7.26

£7.11

View

Min.: 1
Mult.: 1

B65734B

Hardware & Accessories

Ungapped

PM Core

114 x 93

Bulk

Ferrite Cores & Accessories RM4 PC200 500 +30% -20% Sold as set

B65803J0000R608
TDK
1: £2.02
589In Stock

Mfr. Part No.
B65803J0000R608

Mouser Part No
871-B65803J0000R608

TDK

Ferrite Cores & Accessories RM4 PC200 500 +30% -20% Sold as set

Datasheet

589In Stock

£2.02

£1.40

£1.20

£1.05

View

Min.: 1
Mult.: 1

RM4

Ferrite Cores

Ungapped

RM Core

11.4 mm x 4.6 mm

500 nH

- 20 %, + 30 %

PC200

Blister Pack

Ferrite Cores & Accessories RM 4 N48 160 +3%- 3% Sold as set

B65803N0160A048
TDK
1: £3.47
207In Stock

Mfr. Part No.
B65803N0160A048

Mouser Part No
871-B65803N0160A048

TDK

Ferrite Cores & Accessories RM 4 N48 160 +3%- 3% Sold as set

Learn More

Datasheet

207In Stock

Cut Tape

£3.47

£2.38

£2.02

£1.77

View

Reel

£1.34

Min.: 1
Mult.: 1

: 600

RM4

Ferrite Cores

Gapped

RM Core

RM 4

160 nH

3 %

N48

Reel, Cut Tape

Ferrite Cores & Accessories CLAMP RM 2 PCS REQUIRED

B65804P2203X000
TDK
1: £0.45
3,384In Stock

Mfr. Part No.
B65804P2203X000

Mouser Part No
871-B65804P2203X000

TDK

Ferrite Cores & Accessories CLAMP RM 2 PCS REQUIRED

Learn More

Datasheet

3,384In Stock

£0.45

£0.41

£0.388

£0.349

View

Min.: 1
Mult.: 1

RM4

Hardware & Accessories

Ungapped

RM Core

RM 4

Clamp with Ground Terminal

Bulk

Ferrite Cores & Accessories

Customer Service Office

Company

Resources

Support

26
30
38
40
56
59
61
62
65
66
78
89
90
92
93
94
95
96
98
35N

Accessories
Amorphous Core
Cable Single
Clamp
Coil Former
Coil Former (Bobbins)
Cut Core
Distributed Gap
Double Aperture Core
End Clip
EQ Core
Ferrite Block
Ferrite Blocks
Ferrite Core for Switching Power Supplies
Ferrite Core for Telecommunication
Gapped
I Core
Insulating Washer
Mounting Assembly
Multi-Hole Connector Plate

DE Core
DU Core
EC Core
E Core
EE Core
EER Core
EF Core
EFD Core
EI Core
ELP Core
EM Core
EP Core
EPO Core
EPX Core
EQ Core
ER Core
ER LP Core
ETD Core
EV Core
FEM Core

5.95 mm x 1.65 mm
9.5 mm x 5 mm
9.7 mm x 3.3 mm
11 mm x 6 mm
11.4 mm x 4.6 mm
12.95 mm x 4.9 mm
12.95 mm x 6.6 mm
14 mm x 5 mm
14.5 mm x 6.7 mm
14.6 mm x 6.8 mm
15 mm x 4.65 mm
17.9 mm x 8.2 mm
18 mm x 10 mm
18 mm x 9.7 mm
20 mm x 6.65 mm
21.8 mm x 15.8 mm
22.5 mm x 6.6 mm
23.2 mm x 11 mm
23.2 mm x 12.5 mm
25 mm x 18 mm

2.4 nH
4.75 nH
5.2 nH
16 nH
17 nH
17.5 nH
18 nH
20 nH
21 nH
25 nH
26 nH
32 nH
35 nH
38 nH
39 nH
40 nH
45 nH
49 nH
50 nH
55 nH

0.03 %
0.04 %
0.05 %
0.08 %
0.1 %
0.15 %
0.25 %
- 30 %, + 40 %
- 20 %, + 30 %
2 %
3 %
4 %
5 %
6 %
7 %
8 %
10 %
12 %
15 %
20 %

31
43
44
52
61
67
68
75
77
78
95
96
98
9415
ABS
E130I
E Core
Ferrite
Finemet
GFR Liquid Crystal Polymer